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Agronomic Performance of Intacta RR2 Soybean Submitted to Doses of Glyphosate Planta Daninha
CESCO,V.J.S.; KRENCHINSKI,F.H.; RODRIGUES,D.M.; NARDI,R.; ALBRECHT,A.J.P.; ALBRECHT,L.P..
ABSTRACT: This study aimed at evaluating the agronomic performance of Intacta RR2 soybean submitted to the application of glyphosate doses in post-emergence. For this, two experiments were conducted in two locations (Palotina and Marechal Cândido Rondon - Paraná state). Applications were carried out with increasing rates of glyphosate (0, 720, 1,440, 2,160, 2,880, 3,600, 4,320 g a.e. ha-1), constituting seven treatments with an experimental design in randomized blocks with four replications, totaling 28 plots for each location. The cultivar used for both experiments was Monsoy 6210 Intacta RR2 IPROTM. The analyzed variables were phytotoxicity at 3, 7, 14, 21 and 28 DAA, A-B and total chlorophyll index, final height, number of pods, 100-seed weight, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Yield; Phytotoxicity; Herbicides; Transgenic soybean.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100306
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Ammonium Glufosinate Associated with Post-Emergence Herbicides in Corn with the cp4-epsps and Pat Genes Planta Daninha
KRENCHINSKI,F.H.; CESCO,V.J.S.; CASTRO,E.B.; CARBONARI,C.A.; VELINI,E.D..
ABSTRACT: With the possibility of using ammonium glufosinate in corn, studies on its association with other herbicides are essential. The aim of this study was to assess weed control and herbicide selectivity in association with ammonium glufosinate in corn containing the pat and cp4-epsps genes. The experiment was carried out under field conditions in two sites in a randomized block design with four replications. Treatments consisted of ammonium glufosinate, glyphosate, ammonium glufosinate + glyphosate, ammonium glufosinate + nicosulfuron, ammonium glufosinate + atrazine, ammonium glufosinate + tembotrione, ammonium glufosinate + mesotrione, ammonium glufosinate + carfentrazone ethyl, ammonium glufosinate + bentazon, ammonium glufosinate + 2,4-D, control...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ammonia accumulation; Phosphinothricin; Electron transport rate; Herbicide resistance; Zea mays.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100241
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Associations Between Herbicides and Glyphosate in Agronomic Performance of RR2 Intact Soybean Planta Daninha
CESCO,V.J.S.; ALBRECHT,A.J.P.; RODRIGUES,D.M.; KRENCHINSKI,F.H.; ALBRECHT,L.P..
ABSTRACT: The Roundup Ready (RR) soybean was developed for weed control with the use of glyphosate. Some herbicide combinations with glyphosate has been used in weed control and some effects of this practice may be undesirable in the agronomic performance of RR soybean. The present study evaluated the agronomic performance of RR2 intact soybean applied with associations between herbicides and glyphosate at post-emergence, in two experiments conducted in two municipalities in the state of Paraná, Palotina and Marechal Cândido Rondon. This experiment consisted of seven treatments in a randomized block design with four replications, totaling 28 plots for each municipality. The cultivar used in both experiments was Monsoy 6210 Intact RR2 IPROTM. The variables...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Susceptibility; Selectivity; Phytotoxicity.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100212
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Halauxifen-Methyl+Diclosulam: New Option to Control Conyza spp. Prior Soybean Sowing Planta Daninha
KRENCHINSKI,F.H.; PEREIRA,V.G.C.; ZOBIOLE,L.H.S.; ALBRECHT,A.J.P.; ALBRECHT,L.P.; PETERSON,M..
ABSTRACT: Control of Conyza spp. prior to soybean sowing has faced difficulties because of the resistance cases in Brazil, hence new herbicides as halauxifen-methyl + diclosulam are important to manage this specie. The objective of this research was to evaluate the effectiveness of the herbicide halauxifen-methyl + diclosulam applied at pre-planting of soybean. The experiments were set up in three locations in Paraná State, Brazil, in the 2015/2016 season. The herbicide halauxifen-methyl + diclosulam was associated with glyphosate and compared to other commercial herbicide to Conyza spp. control. The application occurred 15 days before soybean sowing, in plants of Conyza spp. with an average height of 20-35 cm in the three areas. None of the treatments...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Burn down; Conyza spp. control.; Arylpicolinate herbicide; Auxin mimic herbicide; Glycine max.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100258
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Management of Resistant Conyza spp. During Soybean Pre-sowing Planta Daninha
CESCO,V.J.S.; NARDI,R.; KRENCHINSKI,F.H.; ALBRECHT,A.J.P.; RODRIGUES,D.M.; ALBRECHT,L.P..
ABSTRACT: Horseweed (Conyza spp.) is a weed with a considerable presence and frequency throughout Brazilian crops, as well as presenting difficult chemical control. The objective of this study was to evaluate the efficiency of herbicide management, through single and sequential applications, in controlling Conyza spp., at two development stages with 4 to 6 leaves (3 to 5 cm) and 20 leaves (15-20 cm). The analyzed variables were: control percentage (7, 14, 21, and 28 days after application), dry matter content (28 days after application) and regrowth percentage (21 days after application). Data were submitted to analysis of variance at 5% probability and when there was a difference, the means were submitted to the Scott-Knott test. For Conyza spp. plants...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Early management regrowth sequential saflufenacil 2; 4-D.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100238
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Management Programs to Control Conyza spp. in Pre-Soybean Sowing Applications Planta Daninha
ZOBIOLE,L.H.S.; KRENCHINSKI,F.H.; PEREIRA,G.R.; RAMPAZZO,P.E.; RUBIN,R.S.; LUCIO,F.R..
ABSTRACT: The goal of this study was to compare the efficacy of different weed management through a burndown application followed by sequential applications of herbicides to control Conyza spp. Thus, four field experiments were conducted, two in the western region of Paraná state (E1 and E2), one in Jataí, Goiás state (E3) and another one in Ibirubá, Rio Grande do Sul state (E4). Conyza spp. in this area had a height ranging between 25 and 60 cm. Treatments were arranged in a randomized block design with four replications. The primary herbicide treatments were 2,4-D + glyphosate + diclosulam, chlorimuron-ethyl + glyphosate + 2,4-D, and four doses of diclosulam + halauxifen-methyl + glyphosate. These treatments were applied singly or in sequential...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Horseweed control; Herbicide; Sequential application; Weed.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100275
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Sumatran Fleabane Control using Glyphosate in Association with Halauxifen-Methyl Formulations Planta Daninha
ZOBIOLE,L.H.S.; KRENCHINSKI,F.H.; MORATELLI,G.; COSTA,N.V..
ABSTRACT: The effectiveness of a new product has a great importance to weed control, especially those that are difficult to control or resistant to, such as the sumatran fleabane (Conyza sumatrensis). The objective of this research was to evaluate the control of C. sumatrensis at different growth stages, using halauxifen-methyl in combination with other herbicides. The experimental design used was a randomized blocks in a 3x10 factorial scheme, with four replications. The plants of C. sumatrensis were evaluated at different growth: stage 1: plants with 8 leaves; Stage 2: plants with 19 leaves and stage 3: plants with 45 leaves fully expanded. The herbicides used were the association of glyphosate with the herbicides 2,4-D at 806, 943 and 1,209 g a.e. ha-1,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Conyza sumatrensis; Arylpicolinate herbicide; Auxin mimic herbicide; Burndown.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100279
Registros recuperados: 7
Primeira ... 1 ... Última
 

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